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physics.app-ph2023
Higher-order mode filtering by a resistive layer
Svetlana Kuznetsova, Yves Auregan, Vincent Pagneux
A method of higher-order modes filtering in an air-filled waveguide using a resistive layer is proposed. An analogue of Cremer's criterion is discussed and used to obtain the optim…
physics.app-ph2023
Exact analogue of the Hatano-Nelson model in 1D continuous nonreciprocal systems
Anis Maddi, Yves Auregan, Guillaume Penelet +2
We propose a general framework that enables the exact mapping of continuous nonreciprocal 1D periodic systems to the Hatano-Nelson (HN) model. Our approach, based on the two-port t…